diff --git a/src/main/java/com.github.forax.pro.main/com/github/forax/pro/main/JavaConfigRunner.java b/src/main/java/com.github.forax.pro.main/com/github/forax/pro/main/JavaConfigRunner.java
new file mode 100644
index 0000000..8488750
--- /dev/null
+++ b/src/main/java/com.github.forax.pro.main/com/github/forax/pro/main/JavaConfigRunner.java
@@ -0,0 +1,46 @@
+package com.github.forax.pro.main;
+
+import java.io.IOException;
+import java.nio.file.Path;
+import java.nio.file.Paths;
+import java.util.Optional;
+import java.util.stream.Stream;
+
+import com.github.forax.pro.helper.Platform;
+import com.github.forax.pro.main.runner.ConfigRunner;
+
+public class JavaConfigRunner implements ConfigRunner {
+  @Override
+  public Optional<Runnable> accept(Path configFile, String[] arguments) {
+    return Optional.<Runnable>of(() -> run(configFile, arguments))
+        .filter(__ -> configFile.toString().endsWith(".java"));
+  }
+  
+  private static void run(Path configFile, String... arguments) {
+    //System.out.println("run with java " + configFile);
+    
+    Path javaHome = Paths.get(System.getProperty("java.home"));
+    var args =
+        Stream.of(
+          Stream.of(javaHome.resolve("bin").resolve(Platform.current().javaExecutableName()).toString()),
+          Stream.of("-Dpro.exitOnError=true"),
+          Stream.of(arguments).filter(a -> a.length() != 0).map(a -> "-Dpro.arguments=" + String.join(",", a)),
+          Stream.of(configFile.toString())
+          )
+        .flatMap(s -> s)
+        .toArray(String[]::new);
+    
+    //System.out.println("cmd " + java.util.Arrays.toString(args));
+    
+    var exitCode = 1;
+    try {
+      var process = new ProcessBuilder(args)
+          .inheritIO()
+          .start();
+      exitCode = process.waitFor();
+    } catch (InterruptedException|IOException e) {
+      System.err.println("i/o error " + e.getMessage());
+    }
+    System.exit(exitCode);
+  }
+}
diff --git a/src/main/java/com.github.forax.pro.main/com/github/forax/pro/main/Main.java b/src/main/java/com.github.forax.pro.main/com/github/forax/pro/main/Main.java
index 7f17259..66b0149 100644
--- a/src/main/java/com.github.forax.pro.main/com/github/forax/pro/main/Main.java
+++ b/src/main/java/com.github.forax.pro.main/com/github/forax/pro/main/Main.java
@@ -47,6 +47,7 @@ static class Configuration {
   
   enum InputFile {
     ARGUMENT(args -> (args.length >= 1)? Optional.of(new Configuration(Paths.get(args[0]), Main::shift)): Optional.empty()),
+    DEFAULT_JAVA(args -> Optional.of(new Configuration(Paths.get("build.java"), identity()))),
     DEFAULT_PRO(args -> Optional.of(new Configuration(Paths.get("build.pro"), identity()))),
     DEFAULT_JSON(args -> Optional.of(new Configuration(Paths.get("build.json"), identity())))
     ;
diff --git a/src/main/java/com.github.forax.pro.main/module-info.java b/src/main/java/com.github.forax.pro.main/module-info.java
index c1831b4..d67be6e 100644
--- a/src/main/java/com.github.forax.pro.main/module-info.java
+++ b/src/main/java/com.github.forax.pro.main/module-info.java
@@ -14,6 +14,7 @@
   uses javax.tools.Tool;
   
   provides com.github.forax.pro.main.runner.ConfigRunner
-    with com.github.forax.pro.main.JSONConfigRunner,
+    with com.github.forax.pro.main.JavaConfigRunner,
+         com.github.forax.pro.main.JSONConfigRunner,
          com.github.forax.pro.main.JShellConfigRunner;
 }
\ No newline at end of file